A confession and What I believe,
by Leo Tolstoy, translated, with an introduction, by Aylmer Maude.

APA Citation

Tolstoy, L., Maude, A. (1921). A confession and What I believe. London, New York [etc.]: H. Milford, Oxford university press.

MLA Citation

Tolstoy, Leo, graf, 1828-1910, and Aylmer Maude. A Confession And What I Believe. London, New York [etc.]: H. Milford, Oxford university press, 1921.

Warning: These citations may not always be complete (especially for serials).